Watch D1's David, Tara, Amy and Phil on THE BIGGEST LOSER: WHERE ARE THEY NOW?

Watch D1's David, Tara, Amy and Phil on THE BIGGEST LOSER: WHERE ARE THEY NOW? special edition tonight on NBC! David competed in Season Four of the Biggest Loser and then trained at D1 Nashville in preparation for the show finale. Phil and Amy were on Season Six, which was the family edition, and trained at D1 Greenville to prepare for the finale. Tara was on Season Seven and also trained at D1 Greenville for the finale. We'll be watching tonight!